<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style type="text/css">
			div {
				width: 200px;
				height: 100px;
				background-color: pink;
				transition: width 0.5s, height 0.5s;
			}
			div:hover {
				width: 600px;
				height: 300px;
			}
		</style>
	</head>
	<body>
		<div></div>
	</body>
</html>
